SOLUTION: If a^(1/3)+b^(1/3)+c^(1/3)=0, then show that log[(a+b+c)/3]=1/3[loga+logb+logc]

Algebra.Com
Question 200367: If a^(1/3)+b^(1/3)+c^(1/3)=0, then show that log[(a+b+c)/3]=1/3[loga+logb+logc]
Answer by orca(409)   (Show Source): You can put this solution on YOUR website!


cube both sides



Noting that , we have



So
log[(a+b+c)/3]=1/3[loga+logb+logc]

RELATED QUESTIONS

(loga b)(logb c)(1/logc... (answered by Fombitz)
if loga/ b-c = logb/ c-a = logc/ a-b , show that abc =... (answered by robertb)
If a^2+b^2 = 7ab, show that log a+b/3=1/2 (loga +... (answered by longjonsilver)
Show that [1/loga (abc)] + [1/logb (abc)] + [1/logc (abc)] = 1 My working: [1/log... (answered by KMST)
if log(a+b+c)=loga+logb+logc then prove that log(2a/1-a^2 + 2b/1-b^2 + 2c/1-c^2)= log... (answered by robertb)
if a^3+b^3=0 then value of log(a+b)-1\2(loga+logb+... (answered by ikleyn)
If X= log2a^a , Y= log3a^2a Z= log 4a^3a than the of XYZ+1 is Question 2.... (answered by Alan3354)
Show that logb (a) loga (b) =... (answered by Fombitz,math_helper,MathTherapy)
If a,b,c………… be in G.P,then show that loga x,logb x,logc x, ……… are in... (answered by anand429)